The HP Switch 3500 series consists of the most advanced intelligent edge switches. The 3500 series includes 24-port and 48-port stackables. The foundation for all these switches is a purpose-built, programmable ProVision ASIC that allows the most demanding networking features, such as Quality of Service (QoS) and security, to be implemented in a scalable yet granular fashion. With a variety of Gigabit and 10/100 interfaces, integrated PoE and Non-PoE options, 10-GbE capability on Gigabit switches, the 3500 switches offer excellent investment protection, flexibility, and scalability, as well as ease of deployment, operation, and maintenance. New Retail Factory Sealed with Full Manufacturer Warranty.